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A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 247 ? C. Boltzmann's constant is 1.38066 × 10 ?23 J/K, and Avogadro's number is 6.02 × 10 23 mol ?1 .
What is the average kinetic energy of each type of molecule? (Answer in units of J)
What is the rms speed of helium? (Answer in units of km/s)
What is the rms speed of argon? (Answer in units of km/s)
A parallel plate capacitor has a separation between its plates of 1.0 mm. There is a dielectric with a dielectric constant of 2.1 fi ling the gap. what is the area of one of the capacitor plates
If the central charge shown below is displaced 0.350 nm to the right while the other charges are held in place, find the magnitude and direction of the net force
A wheel 2.25 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 3.50 rad/s2, find the angular position of the point P
A bicycle and rider have a combined mass of 100 kg. How many calries of heat are generated in brakes when the bicycle comes to a stop from a speed of 36 km/h.
A 2000kg car traveling at a speed of 12m/s skids to a halt on wet concrete where ?k = 0.50. How long are the skid marks
an electron in a hydrogen makes a transition between levels and emits a photon with a frequency of 6.91*10^14 hz . find is the electron jumping to higher or lower level
An object is solid throughout. When the object is completely submerged in ethyl alcohol, its apparent weight is 15.0 N. What is the volume of the object
A weather balloon is designed to expand to a maximum radius of17m at its working altitude, what is its radius at liftoff
The temperature of the air in a resonator is 15°C, when a tuning fork vibrates at one end, the spacing between tow successive resonances is found to be 50 cm. find the frequency of the tuning fork.
A figure skater is spinning at a rate of 1.8 rev/s with her arms outstretched. She then draws her arms in to her chest, What is her new rate of rotation
A 1.00×104kg railroad car is rolling at 3.00m/swhen a 7000kg load of gravel is suddenly dropped in. What is the car's speed just after the gravel is loaded
A seagull flies with a velocity of 12.5 m/s straight into the wind. (ie.. this the velocity of the gull relative to the wind), Calculate the speed of the wind
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